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Get Resizable BAR

2021.03.31 7:00 PM

The wait is over and the NVIDIA Resizable BAR feature is here for the GeForce RTX™ 30 Series. This blog will go over how or where to download the GPU VBIOS flash update to support the NVIDIA Resizable BAR feature for your ZOTAC GAMING GeForce RTX 30 Series GPU.

 

Before reading on, get caught up with the latest Resizable BAR feature information from NVIDIA
https://www.nvidia.com/en-us/geforce/news/geforce-rtx-30-series-resizable-bar-support

Also read the Resizable BAR NVIDIA FAQ to get answers on questions you may have before getting started
https://nvidia.custhelp.com/app/answers/detail/a_id/5165

 

What GPUs can get the Resizable BAR feature with the GPU VBIOS update?

GeForce RTX 3090 series
GeForce RTX 3080 series
GeForce RTX 3070 series
GeForce RTX 3060 Ti series

If you have a GeForce RTX 3060 series card, it already comes with the Resizable BAR feature out of the box.

 

Pre-requisites

Compatible Hardware

To enable the Resizable BAR feature on your system, you’ll also need to have other compatible hardware:

1. A compatible motherboard flashed with the latest motherboard BIOS update supporting the NVIDIA Resizable BAR feature. Check with your motherboard manufacturer on how/where to download the BIOS file and complete the update.

2. A compatible AMD or Intel CPU.

 

You’ll also need to have the latest Game Ready GeForce Driver downloaded and installed.

 

Now that we got the pre-requisites out of the way, let’s move onto why you’re here. There are 2 ways you can find the GPU VBIOS file supporting Resizable BAR on the ZOTAC website.

 

METHOD 1

Product Page

Navigate over to the ZOTAC GAMING GeForce RTX 30 series GPU product page that you have

GeForce RTX 3090 series
GeForce RTX 3080 series
GeForce RTX 3070 series
GeForce RTX 3060 Ti series

 

  1. On the product page, click on the DOWNLOADS tab as highlighted in the below image

  1. Select BIOS on the FILE TYPE drop down field and then click on the VIEW RESULTS button

  1. Find the BIOS update that supports the NVIDIA Resizable BAR feature and click on the DOWNLOAD button

 

METHOD 2

DOWNLOAD CENTER

Navigate over to the DOWNLOAD CENTER under the SUPPORT page of zotac.com

  1. Select GRAPHICS CARDS

 

  1. Select BIOS for the FILE TYPE drop down field

  1. Select the SERIES category in the SERIES drop down field for your GPU and then click on the VIEW RESULTS button.

 

  1. Locate the BIOS update file supporting the NVIDIA Resizable BAR feature for your ZOTAC GAMING GeForce RTX 30 Series model and then click on the DOWNLOAD button.

 

 

FLASHING THE VBIOS FILE ONTO YOUR GPU

  1. Extract the .zip file once the VBIOS has been downloaded.
  2. Double click on the executable file to get started.
  3. If the Windows 10 User Account Control pops up, click Yes to allow the publisher to make changes to the device.
  4. Follow the onscreen prompts


  5. Restart once complete.

 

ENABLING THE NVIDIA RESIZABLE BAR FEATURE ON YOUR SYSTEM

This will be more generic as the steps may vary depending on the motherboard and manufacturer. We recommend visiting your motherboard manufacturer for more details.

  1. Power up your system
  2. Press the Hot Key to enter the motherboard BIOS menu. This may vary by motherboard (DEL key, F2 key, etc.)
  3. Find the Resizable BAR Support option and change it to Enable or Auto (whichever options are available) (how your motherboard BIOS menu looks will vary)
  4. Check that you have CSM (Compatibility Support Module) disabled (likely in the BOOT tab of the motherboard BIOS menu but may vary by motherboard model and manufacturer).
  5. Check that the "Above 4G Decoding" is enabled.
  6. Save your settings and restart your system.
  7. Ensure that you have the latest GeForce Drivers installed.

Note: The Windows OS needs to be using a UEFI boot format.

How to check if the NVIDIA Resizable BAR feature is enabled

  1. Open the NVIDIA Control Panel
    Right click on your Desktop and click on NVIDIA Control Panel
  2. Click on SYSTEM INFORMATION on the lower left corner of the NVIDIA Control Panel window
  3. In the Details window, look for Resizable BAR. It will say No (not enabled) or Yes (enabled)

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